Add to fbx importer an option to force "reset to fbx" behavior when doing automation reimport

UE - Editor - Content Pipeline - Import and Export - Mar 3, 2020

We want to have the possibility to force the "reset to fbx" conflict material behavior to automated fbx reimport. Not sure yet where to put the optionvisible in the fbx reimport dialoga per project ...

Collision does not work in packaged game regardless of native settings

UE - Gameplay - Blueprint - Mar 3, 2020

Collision stops working for packaged games regardless of the nativize blueprint settings.  Duplicate; refer to [Link Removed] for original issue. Test Project: [Link Removed] ...

Deleting struct in Windows Explorer leaves dirty traces in BPs.

UE - Gameplay - Blueprint - Mar 3, 2020

UND: https://udn.unrealengine.com/questions/559972/invalid-map-in-blueprint-unable-to-be-deleted-urge.html If you delete a struct in Windows Explorer manually, then open a project/BP, it will ask t ...

Skeletalmesh editing can be slow when asset have a lot of morphtarget

UE - Editor - Mar 3, 2020

After investigation, the asset is not rebuild, what took time is the 2 following partThe serialization of the DDC where we have to initialize the morph targetsE:\P4\main\Engine\Source\Runtime\Engine ...

Skeletal mesh merging ignores clothing

UE - Simulation - Physics - Character - Mar 3, 2020

Skeletal mesh merge doesn't support clothing. Looks like we should just be able to duplicate the clothing assets, clear the binding data and use ClothingAssetUtils::GetMeshClothingAssetBindings to p ...

Particles are only activated when the camera moves back

UE - Niagara - Mar 3, 2020

UParticleSystemComponent :: CanConsiderInvisible () Particles determined to be invisible by MaxSecondsBeforeInactive seem to be activated only when the camera moves back. Is this correct behavior? ...

CollisionPreset of ComplexCollisionMesh is overrided by Drawing mesh settings

UE - Simulation - Physics - Mar 3, 2020

When setting ComplexCollisionMesh of StaticMesh asset, CollisionPreset that is actually applied becomes the setting on the drawing mesh side. It seems that ComplexCollisionMesh is not considered in ...

The SetEmitterEnable BP function needs implementation

UE - Niagara - Mar 2, 2020

The BP function calls FNiagaraSystemInstance::SetEmitterEnable, which sets ExecutionState on the emitter instance to ENiagaraExecutionState::Inactive. FNiagaraSystemSimulation::PrepareForSystemSimul ...

Niagara and Groom causes exception crash on Launch when using

UE - Simulation - Physics - Mar 2, 2020

Trying a Launch after every step shows that the problem occurs as soon as the GroomAssetSystem is added to Niagara. If the GroomAssetSystem is removed, the game launches fine (but the hair doesn't m ...

Content Examples: Parallax Occlusion Map Feature no longer rendering self-shadows

UE - Graphics Features - Mar 2, 2020

Parallax Occlusion Map Feature fails to render self-shadows as of the release of Unreal Engine v4.24.0 and has not been remedied since. The feature is perfectly functional in v4.23 [See attachments ...